.design-style-blockchain_application_development_showcase_platform_r7g{
  --container:1120px;--container-lg:1360px;--container-xl:1640px;
  --gutter:clamp(14px,2vw,28px);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:28px;--sp-7:40px;--sp-8:56px;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-pill:999px;
  --sh-1:0 1px 0 rgba(255,255,255,.05) inset,0 1px 3px rgba(0,0,0,.32);
  --sh-2:0 1px 0 rgba(255,255,255,.06) inset,0 8px 22px rgba(0,0,0,.42);
  --sh-3:0 1px 0 rgba(255,255,255,.08) inset,0 20px 48px rgba(0,0,0,.52);
  --fs-xs:clamp(.72rem,.7rem + .1vw,.78rem);
  --fs-sm:clamp(.82rem,.8rem + .15vw,.9rem);
  --fs-md:clamp(.94rem,.9rem + .24vw,1.04rem);
  --fs-lg:clamp(1.12rem,1.04rem + .45vw,1.34rem);
  --fs-xl:clamp(1.44rem,1.26rem + .9vw,1.92rem);
  --fs-2xl:clamp(1.82rem,1.46rem + 1.8vw,2.7rem);
  --fs-3xl:clamp(2.3rem,1.76rem + 2.8vw,3.4rem);
  --lh-tight:1.1;--lh-snug:1.3;--lh-body:1.6;
  --ease:cubic-bezier(.4,0,.2,1);--ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.14s;--t-base:.24s;--t-slow:.44s;
  --bg:oklch(0.15 0.03 20);
  --surface:oklch(0.21 0.045 20);
  --surface-2:oklch(0.24 0.05 20);
  --primary:oklch(0.72 0.16 20);
  --secondary:oklch(0.62 0.16 320);
  --accent:oklch(0.78 0.18 195);
  --accent-2:oklch(0.9 0.14 195);
  --text:oklch(0.94 0.02 20);
  --muted:oklch(0.66 0.03 20);
  --line:color-mix(in oklch, oklch(0.94 0.02 20) 12%, transparent);
  --line-strong:color-mix(in oklch, oklch(0.94 0.02 20) 24%, transparent);
  --wash:color-mix(in oklch, oklch(0.72 0.16 20) 9%, transparent);
  --font: ui-rounded, "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  display:block;
  width:100%;
  max-width:100%;
  overflow-x:hidden;
  overflow-wrap:break-word;
  word-break:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:var(--lh-body);
  font-size:var(--fs-md);
  scroll-behavior:smooth;
}
.design-style-blockchain_application_development_showcase_platform_r7g *,
.design-style-blockchain_application_development_showcase_platform_r7g *::before,
.design-style-blockchain_application_development_showcase_platform_r7g *::after{box-sizing:border-box;min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g img{max-width:100%;height:auto;display:block;}

/* ============ 顶部提示条 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-notice{
  display:flex;align-items:center;gap:var(--sp-3);
  padding:var(--sp-2) var(--gutter);
  background:linear-gradient(90deg,color-mix(in oklch,var(--primary) 16%,var(--bg)),color-mix(in oklch,var(--secondary) 12%,var(--bg)));
  border-bottom:1px solid var(--line);
  font-size:var(--fs-xs);letter-spacing:.02em;color:var(--text);
  position:relative;z-index:60;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-notice .dot{
  width:7px;height:7px;border-radius:var(--r-pill);background:var(--accent);
  box-shadow:0 0 0 4px color-mix(in oklch,var(--accent) 20%,transparent);
  animation:bcb-pulse 2.6s var(--ease) infinite;flex:none;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-notice b{color:var(--accent-2);font-weight:600;letter-spacing:.01em;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-notice span{color:var(--muted);min-width:0;overflow-wrap:break-word;}

/* ============ 布局骨架：侧栏 + 顶栏 + 内容 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-shell{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  max-width:var(--container-xl);
  margin-inline:auto;
  border-inline:1px solid var(--line);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail{
  border-right:1px solid var(--line);
  padding:var(--sp-5) var(--sp-4);
  position:sticky;top:0;align-self:start;
  height:100vh;height:100dvh;
  display:flex;flex-direction:column;gap:var(--sp-4);
  background:
    radial-gradient(120% 60% at 0% 0%,var(--wash),transparent 60%),
    var(--surface);
  overflow-y:auto;
  overflow-x:hidden;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-brand{display:flex;align-items:center;gap:var(--sp-3);min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-brand>span:last-child{min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-brand .mark{
  width:32px;height:32px;flex:none;border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid;place-items:center;color:oklch(0.16 0.02 20);font-weight:800;font-size:var(--fs-sm);
  box-shadow:var(--sh-1);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-brand .name{font-size:var(--fs-sm);font-weight:700;line-height:var(--lh-tight);letter-spacing:-.01em;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-brand .sub{font-size:var(--fs-xs);color:var(--muted);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav{display:flex;flex-direction:column;gap:2px;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a{
  display:flex;align-items:center;gap:var(--sp-3);
  padding:var(--sp-2) var(--sp-3);border-radius:var(--r-sm);
  color:var(--muted);text-decoration:none;font-size:var(--fs-sm);
  border:1px solid transparent;
  transition:color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease-out);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a i{
  font-style:normal;font-size:var(--fs-xs);color:var(--accent);width:1.6em;flex:none;font-variant-numeric:tabular-nums;opacity:.85;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:hover,
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:focus-visible{
  color:var(--text);background:color-mix(in oklch,var(--primary) 11%,transparent);border-color:var(--line);transform:translateX(2px);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:hover i,
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:focus-visible i{opacity:1;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail .metrics{
  margin-top:auto;border-top:1px solid var(--line);padding-top:var(--sp-3);
  display:grid;gap:var(--sp-2);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail .metric{display:flex;justify-content:space-between;align-items:baseline;gap:var(--sp-2);font-size:var(--fs-xs);color:var(--muted);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail .metric b{color:var(--accent-2);font-size:var(--fs-sm);font-variant-numeric:tabular-nums;}

/* 顶栏 */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:var(--sp-4);
  padding:var(--sp-3) var(--gutter);
  border-bottom:1px solid var(--line);
  background:color-mix(in oklch,var(--bg) 78%,transparent);
  -webkit-backdrop-filter:blur(10px) saturate(1.2);
  backdrop-filter:blur(10px) saturate(1.2);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-topbar .crumb{font-size:var(--fs-xs);color:var(--muted);letter-spacing:.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-topbar .crumb em{color:var(--accent);font-style:normal;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-pill{
  margin-left:auto;display:inline-flex;align-items:center;gap:var(--sp-2);
  font-size:var(--fs-xs);color:var(--accent-2);
  border:1px solid var(--line-strong);border-radius:var(--r-pill);
  padding:var(--sp-1) var(--sp-3);white-space:nowrap;flex:none;
  background:color-mix(in oklch,var(--surface) 60%,transparent);
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-pill:hover{border-color:color-mix(in oklch,var(--accent) 42%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-pill .led{width:6px;height:6px;border-radius:var(--r-pill);background:var(--accent);box-shadow:0 0 8px var(--accent);}

/* ============ 主内容 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-main{display:block;background:var(--bg);min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-sec{padding:var(--sp-7) var(--gutter);border-bottom:1px solid var(--line);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-sec:last-child{border-bottom:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-inner{max-width:var(--container);margin-inline:auto;min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .eyebrow{
  display:inline-flex;align-items:center;gap:var(--sp-2);
  font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  margin:0 0 var(--sp-2);font-weight:600;
}
.design-style-blockchain_application_development_showcase_platform_r7g .eyebrow::before{content:"";width:20px;height:1px;background:var(--accent);}
.design-style-blockchain_application_development_showcase_platform_r7g h2.bcb-h{
  font-size:var(--fs-xl);line-height:var(--lh-tight);margin:0 0 var(--sp-2);font-weight:700;letter-spacing:-.015em;
}
.design-style-blockchain_application_development_showcase_platform_r7g h3.bcb-h3{
  font-size:var(--fs-lg);line-height:var(--lh-snug);margin:0 0 var(--sp-2);font-weight:700;letter-spacing:-.01em;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-lead{color:var(--muted);font-size:var(--fs-sm);max-width:62ch;margin:0 0 var(--sp-4);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-grid{display:grid;gap:var(--sp-4);}
.design-style-blockchain_application_development_showcase_platform_r7g .cols-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.design-style-blockchain_application_development_showcase_platform_r7g .cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ============ Hero：海报式分屏 + 环形放射 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero{
  position:relative;overflow:hidden;
  padding:var(--sp-8) var(--gutter) var(--sp-6);
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(58% 44% at 78% 12%,color-mix(in oklch,var(--primary) 13%,transparent),transparent 62%),
    radial-gradient(46% 38% at 6% 92%,color-mix(in oklch,var(--secondary) 11%,transparent),transparent 60%),
    var(--bg);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-grid{
  position:relative;z-index:2;
  max-width:var(--container-lg);margin-inline:auto;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:var(--sp-7);align-items:center;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero h1{
  font-size:var(--fs-3xl);line-height:var(--lh-tight);margin:0 0 var(--sp-3);font-weight:800;letter-spacing:-.025em;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero h1 .hl{
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
-webkit-background-clip:text;
background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--accent-2);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero p{color:var(--muted);max-width:56ch;margin:0 0 var(--sp-5);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta-row{display:flex;flex-wrap:wrap;gap:var(--sp-3);align-items:center;}
.design-style-blockchain_application_development_showcase_platform_r7g .btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);
  padding:var(--sp-3) var(--sp-5);border-radius:var(--r-pill);
  font-size:var(--fs-sm);font-weight:600;text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out),background var(--t-base) var(--ease),border-color var(--t-base) var(--ease),color var(--t-base) var(--ease);
  min-height:44px;line-height:1;
}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-primary{
  background:linear-gradient(135deg,var(--primary),color-mix(in oklch,var(--primary) 70%,var(--secondary)));
  color:oklch(0.16 0.02 20);box-shadow:var(--sh-2);
}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-3);}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-ghost{
  background:transparent;color:var(--text);border-color:var(--line-strong);
}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-ghost:hover{border-color:color-mix(in oklch,var(--accent) 55%,transparent);color:var(--accent-2);transform:translateY(-2px);background:color-mix(in oklch,var(--accent) 8%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .btn-ghost:active{transform:translateY(0);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-stats{
  display:flex;flex-wrap:wrap;gap:var(--sp-4) var(--sp-5);margin-top:var(--sp-5);
  padding-top:var(--sp-4);border-top:1px solid var(--line);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-stats .st{display:flex;flex-direction:column;gap:2px;min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-stats .st b{font-size:var(--fs-lg);color:var(--accent-2);font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.01em;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-stats .st span{font-size:var(--fs-xs);color:var(--muted);}

/* 环形放射装饰 */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  display:grid;place-items:center;opacity:.5;overflow:hidden;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings .ring{
  position:absolute;border-radius:var(--r-pill);border:1px solid var(--line-strong);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings .r1{width:420px;height:420px;animation:bcb-spin 46s linear infinite;border-style:dashed;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings .r2{width:600px;height:600px;border-color:color-mix(in oklch,var(--accent) 22%,transparent);animation:bcb-spin 70s linear infinite reverse;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings .r3{width:820px;height:820px;border-color:color-mix(in oklch,var(--secondary) 16%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings .ray{
  position:absolute;width:2px;height:min(44vh,400px);transform-origin:50% 100%;
  background:linear-gradient(180deg,transparent,color-mix(in oklch,var(--primary) 36%,transparent));
}

/* Hero 视觉卡 */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual{
  position:relative;margin:0;min-width:0;
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:var(--surface);box-shadow:var(--sh-3);
  padding:var(--sp-3);
  transform:translate(6px,6px);
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual:hover{transform:translate(4px,4px);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual::after{
  content:"";position:absolute;inset:10px -10px -10px 10px;border:1px solid color-mix(in oklch,var(--accent) 30%,transparent);
  border-radius:var(--r-lg);z-index:-1;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual .frame{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/11;background:var(--bg);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) brightness(.96) contrast(1.03);transition:transform var(--t-slow) var(--ease-out);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual:hover img{transform:scale(1.04);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual .cap{
  display:flex;justify-content:space-between;gap:var(--sp-3);align-items:center;
  padding:var(--sp-3) var(--sp-2) var(--sp-1);font-size:var(--fs-xs);color:var(--muted);min-width:0;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual .cap b{color:var(--accent-2);font-variant-numeric:tabular-nums;flex:none;}

/* 斜切色带分区签名 */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash{
  position:relative;margin:var(--sp-5) 0 var(--sp-4);
  height:48px;overflow:hidden;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash .band{
  position:absolute;left:-6%;right:-6%;height:24px;
  transform:skewY(-2.2deg);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash .b1{top:0;background:linear-gradient(90deg,transparent,color-mix(in oklch,var(--primary) 26%,transparent) 22%,color-mix(in oklch,var(--secondary) 22%,transparent) 62%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash .b2{top:20px;transform:skewY(2.2deg);background:linear-gradient(90deg,transparent,color-mix(in oklch,var(--accent) 22%,transparent) 40%,transparent 82%);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash .label{
  position:absolute;right:var(--sp-4);top:50%;transform:translateY(-50%);
  font-size:var(--fs-xs);letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
}

/* ============ 硬边描边 + 偏移阴影卡 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .card{
  position:relative;background:var(--surface);border:1px solid var(--line-strong);
  border-radius:var(--r-md);padding:var(--sp-4);
  transition:transform var(--t-base) var(--ease-out),box-shadow var(--t-base) var(--ease-out),border-color var(--t-base) var(--ease);
}
.design-style-blockchain_application_development_showcase_platform_r7g .card.offset{box-shadow:6px 6px 0 -1px color-mix(in oklch,var(--bg) 60%,transparent),6px 6px 0 0 color-mix(in oklch,var(--primary) 36%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .card:hover{transform:translate(-3px,-3px);box-shadow:10px 10px 0 -1px color-mix(in oklch,var(--bg) 60%,transparent),10px 10px 0 0 color-mix(in oklch,var(--accent) 48%,transparent);border-color:color-mix(in oklch,var(--accent) 42%,transparent);}
.design-style-blockchain_application_development_showcase_platform_r7g .card .num{
  font-size:var(--fs-xs);letter-spacing:.18em;color:var(--accent);font-variant-numeric:tabular-nums;
  display:flex;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-2);font-weight:600;
}
.design-style-blockchain_application_development_showcase_platform_r7g .card .num::after{content:"";flex:1;height:1px;background:var(--line);}
.design-style-blockchain_application_development_showcase_platform_r7g .card h3{font-size:var(--fs-md);margin:0 0 var(--sp-2);line-height:var(--lh-snug);font-weight:700;letter-spacing:-.005em;}
.design-style-blockchain_application_development_showcase_platform_r7g .card p{margin:0;font-size:var(--fs-sm);color:var(--muted);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .card .kpi{margin-top:var(--sp-3);padding-top:var(--sp-3);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:var(--sp-2);font-size:var(--fs-xs);color:var(--muted);}
.design-style-blockchain_application_development_showcase_platform_r7g .card .kpi b{color:var(--accent-2);font-variant-numeric:tabular-nums;}

/* ============ 实用指导清单（表格化） ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .checklist{display:grid;gap:var(--sp-2);margin:0;padding:0;list-style:none;}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist li{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:var(--sp-3);align-items:start;
  padding:var(--sp-3) var(--sp-4);border:1px solid var(--line);border-radius:var(--r-sm);
  background:color-mix(in oklch,var(--surface) 68%,transparent);
  transition:border-color var(--t-fast) var(--ease),background var(--t-fast) var(--ease),transform var(--t-fast) var(--ease-out);
}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist li:hover{border-color:color-mix(in oklch,var(--accent) 38%,transparent);background:color-mix(in oklch,var(--primary) 7%,transparent);transform:translateX(2px);}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist .idx{
  width:22px;height:22px;flex:none;border-radius:var(--r-sm);display:grid;place-items:center;
  font-size:var(--fs-xs);font-weight:700;color:oklch(0.16 0.02 20);background:var(--accent);
}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist .txt{font-size:var(--fs-sm);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist .txt b{color:var(--text);font-weight:600;}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist .txt em{color:var(--muted);font-style:normal;}
.design-style-blockchain_application_development_showcase_platform_r7g .checklist .val{
  font-size:var(--fs-xs);color:var(--accent-2);white-space:nowrap;font-variant-numeric:tabular-nums;
  border-left:1px solid var(--line);padding-left:var(--sp-3);
}

/* ============ 图文混排特写 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .feature-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--sp-6);align-items:center;
}
.design-style-blockchain_application_development_showcase_platform_r7g .feature-row + .feature-row{margin-top:var(--sp-6);}
.design-style-blockchain_application_development_showcase_platform_r7g .feature-row.rev .media{order:2;}
.design-style-blockchain_application_development_showcase_platform_r7g .feature-row>div{min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .media{
  margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--sh-2);aspect-ratio:4/3;position:relative;background:var(--surface);min-width:0;
}
.design-style-blockchain_application_development_showcase_platform_r7g .media img{width:100%;height:100%;object-fit:cover;filter:saturate(.94) brightness(.95);transition:transform var(--t-slow) var(--ease-out);}
.design-style-blockchain_application_development_showcase_platform_r7g .media:hover img{transform:scale(1.05);}
.design-style-blockchain_application_development_showcase_platform_r7g .media .tag{
  position:absolute;left:var(--sp-3);bottom:var(--sp-3);max-width:calc(100% - var(--sp-5));
  font-size:var(--fs-xs);color:var(--text);
  background:color-mix(in oklch,var(--bg) 74%,transparent);
  border:1px solid var(--line-strong);border-radius:var(--r-pill);padding:var(--sp-1) var(--sp-3);
-webkit-backdrop-filter:blur(6px);
backdrop-filter:blur(6px);
}
.design-style-blockchain_application_development_showcase_platform_r7g .spec{display:grid;gap:var(--sp-2);margin:var(--sp-4) 0 0;padding:0;list-style:none;}
.design-style-blockchain_application_development_showcase_platform_r7g .spec li{display:grid;grid-template-columns:112px minmax(0,1fr);gap:var(--sp-3);font-size:var(--fs-sm);padding-bottom:var(--sp-2);border-bottom:1px dashed var(--line);}
.design-style-blockchain_application_development_showcase_platform_r7g .spec li span{color:var(--muted);}
.design-style-blockchain_application_development_showcase_platform_r7g .spec li b{font-weight:600;color:var(--text);}

/* ============ 应用场景 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .scene{
  border:1px solid var(--line-strong);border-radius:var(--r-md);overflow:hidden;background:var(--surface);
  display:flex;flex-direction:column;min-width:0;
  transition:transform var(--t-base) var(--ease-out),border-color var(--t-base) var(--ease),box-shadow var(--t-base) var(--ease-out);
}
.design-style-blockchain_application_development_showcase_platform_r7g .scene:hover{transform:translateY(-4px);border-color:color-mix(in oklch,var(--primary) 44%,transparent);box-shadow:var(--sh-2);}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg);}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease-out);}
.design-style-blockchain_application_development_showcase_platform_r7g .scene:hover .thumb img{transform:scale(1.06);}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .body{padding:var(--sp-4);display:flex;flex-direction:column;gap:var(--sp-2);flex:1;min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .body h3{margin:0;font-size:var(--fs-md);line-height:var(--lh-snug);font-weight:700;}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .body p{margin:0;font-size:var(--fs-sm);color:var(--muted);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .scene .body .row{margin-top:auto;display:flex;flex-wrap:wrap;gap:var(--sp-2);padding-top:var(--sp-3);border-top:1px solid var(--line);}
.design-style-blockchain_application_development_showcase_platform_r7g .chip{
  display:inline-flex;align-items:center;font-size:var(--fs-xs);color:var(--muted);border:1px solid var(--line);border-radius:var(--r-pill);padding:3px var(--sp-3);line-height:1.4;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.design-style-blockchain_application_development_showcase_platform_r7g .chip.hi{color:var(--accent-2);border-color:color-mix(in oklch,var(--accent) 40%,transparent);background:color-mix(in oklch,var(--accent) 8%,transparent);}

/* ============ 工作流程步骤 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-4);counter-reset:bcbstep;}
.design-style-blockchain_application_development_showcase_platform_r7g .step{
  position:relative;padding:var(--sp-4) var(--sp-4) var(--sp-4);
  border:1px solid var(--line);border-radius:var(--r-md);
  background:linear-gradient(180deg,color-mix(in oklch,var(--primary) 6%,transparent),transparent 70%),var(--surface);
  min-width:0;
  transition:border-color var(--t-base) var(--ease),transform var(--t-base) var(--ease-out);
}
.design-style-blockchain_application_development_showcase_platform_r7g .step:hover{border-color:color-mix(in oklch,var(--accent) 36%,transparent);transform:translateY(-2px);}
.design-style-blockchain_application_development_showcase_platform_r7g .step::before{
  counter-increment:bcbstep;content:"0" counter(bcbstep);
  display:inline-block;margin-bottom:var(--sp-2);
  font-size:var(--fs-lg);font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.01em;
}
.design-style-blockchain_application_development_showcase_platform_r7g .step h3{margin:0 0 var(--sp-2);font-size:var(--fs-sm);letter-spacing:.04em;text-transform:uppercase;color:var(--text);font-weight:700;}
.design-style-blockchain_application_development_showcase_platform_r7g .step p{margin:0 0 var(--sp-3);font-size:var(--fs-sm);color:var(--muted);line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .step .time{display:block;font-size:var(--fs-xs);color:var(--accent-2);font-variant-numeric:tabular-nums;padding-top:var(--sp-2);border-top:1px solid var(--line);}

/* ============ 内嵌色带 CTA ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta{
  position:relative;overflow:hidden;
  padding:var(--sp-7) var(--gutter);border-block:1px solid var(--line-strong);
  background:
    radial-gradient(70% 130% at 12% 0%,color-mix(in oklch,var(--primary) 18%,transparent),transparent 64%),
    var(--surface);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta .band{
  position:absolute;inset:auto -8% -32px -8%;height:64px;transform:skewY(-2deg);
  background:linear-gradient(90deg,color-mix(in oklch,var(--primary) 28%,transparent),color-mix(in oklch,var(--secondary) 24%,transparent) 58%,transparent);
  opacity:.55;pointer-events:none;
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta-inner{position:relative;z-index:2;max-width:var(--container);margin-inline:auto;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:var(--sp-6);align-items:center;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta-inner>div{min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta h2{margin:0 0 var(--sp-2);font-size:var(--fs-2xl);line-height:var(--lh-tight);letter-spacing:-.02em;font-weight:800;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta p{margin:0;color:var(--muted);font-size:var(--fs-sm);max-width:56ch;line-height:var(--lh-body);}

/* ============ 页脚 ============ */
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot{
  padding:var(--sp-6) var(--gutter);
  background:var(--bg);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot-inner{
  max-width:var(--container-lg);margin-inline:auto;
  display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:var(--sp-5);
}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot-inner>div{min-width:0;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot h4{margin:0 0 var(--sp-3);font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:600;}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot ul{margin:0;padding:0;list-style:none;display:grid;gap:var(--sp-2);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot a{color:var(--text);text-decoration:none;font-size:var(--fs-sm);transition:color var(--t-fast) var(--ease);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot a:hover{color:var(--accent-2);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot .about p{margin:0 0 var(--sp-3);font-size:var(--fs-sm);color:var(--muted);max-width:44ch;line-height:var(--lh-body);}
.design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot .legal{
  max-width:var(--container-lg);margin:var(--sp-5) auto 0;padding-top:var(--sp-4);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;font-size:var(--fs-xs);color:var(--muted);
}

/* ============ 入场动效：纯 CSS，加载即播放 ============ */
@keyframes bcb-rise{from{transform:translateY(14px);}to{transform:translateY(0);}}
@keyframes bcb-fade{from{opacity:.001;}to{opacity:1;}}
@keyframes bcb-spin{from{transform:rotate(0);}to{transform:rotate(360deg);}}
@keyframes bcb-pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
.design-style-blockchain_application_development_showcase_platform_r7g .reveal{animation:bcb-rise .6s var(--ease-out) both,bcb-fade .48s var(--ease-out) both;}
.design-style-blockchain_application_development_showcase_platform_r7g .d1{animation-delay:.04s;}
.design-style-blockchain_application_development_showcase_platform_r7g .d2{animation-delay:.11s;}
.design-style-blockchain_application_development_showcase_platform_r7g .d3{animation-delay:.18s;}
.design-style-blockchain_application_development_showcase_platform_r7g .d4{animation-delay:.25s;}
.design-style-blockchain_application_development_showcase_platform_r7g .d5{animation-delay:.32s;}

/* 焦点可见 */
.design-style-blockchain_application_development_showcase_platform_r7g a:focus-visible,
.design-style-blockchain_application_development_showcase_platform_r7g summary:focus-visible,
.design-style-blockchain_application_development_showcase_platform_r7g .btn:focus-visible{
  outline:2px solid var(--accent-2);outline-offset:2px;border-radius:var(--r-sm);
}

/* ============ 响应式：超大屏 ============ */
@media (min-width:1600px){
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-shell{grid-template-columns:272px minmax(0,1fr);max-width:var(--container-xl);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-inner{max-width:var(--container-lg);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-sec{padding:var(--sp-8) var(--gutter);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero{padding:var(--sp-8) var(--gutter);}
  .design-style-blockchain_application_development_showcase_platform_r7g .cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
  .design-style-blockchain_application_development_showcase_platform_r7g .steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--sp-5);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-grid{gap:var(--sp-8);}
  .design-style-blockchain_application_development_showcase_platform_r7g .card{padding:var(--sp-5);}
}

/* ============ 响应式：1024 ============ */
@media (max-width:1024px){
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-shell{grid-template-columns:minmax(0,1fr);border-inline:0;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail{
    position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);
    flex-direction:row;flex-wrap:wrap;align-items:center;gap:var(--sp-4);padding:var(--sp-4) var(--gutter);
    overflow:visible;
  }
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail .metrics{margin:0;border-top:0;padding-top:0;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:var(--sp-3);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav{flex-direction:row;flex-wrap:wrap;gap:var(--sp-2);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:hover,
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-nav a:focus-visible{transform:none;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-grid{grid-template-columns:minmax(0,1fr);gap:var(--sp-6);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual{transform:none;}
  .design-style-blockchain_application_development_showcase_platform_r7g .feature-row{grid-template-columns:minmax(0,1fr);gap:var(--sp-4);}
  .design-style-blockchain_application_development_showcase_platform_r7g .feature-row.rev .media{order:0;}
  .design-style-blockchain_application_development_showcase_platform_r7g .cols-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_showcase_platform_r7g .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta-inner{grid-template-columns:minmax(0,1fr);gap:var(--sp-4);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings{opacity:.32;}
}

/* ============ 响应式：640 ============ */
@media (max-width:640px){
  .design-style-blockchain_application_development_showcase_platform_r7g{font-size:var(--fs-sm);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-notice{flex-wrap:wrap;gap:var(--sp-2);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-sec{padding:var(--sp-6) var(--gutter);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero{padding:var(--sp-6) var(--gutter) var(--sp-5);}
  .design-style-blockchain_application_development_showcase_platform_r7g .cols-4,
  .design-style-blockchain_application_development_showcase_platform_r7g .cols-2,
  .design-style-blockchain_application_development_showcase_platform_r7g .steps{grid-template-columns:minmax(0,1fr);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-stats{gap:var(--sp-3) var(--sp-4);}
  .design-style-blockchain_application_development_showcase_platform_r7g .checklist li{grid-template-columns:auto minmax(0,1fr);}
  .design-style-blockchain_application_development_showcase_platform_r7g .checklist .val{border-left:0;padding-left:0;grid-column:2;white-space:normal;}
  .design-style-blockchain_application_development_showcase_platform_r7g .spec li{grid-template-columns:minmax(0,1fr);gap:2px;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot-inner{grid-template-columns:minmax(0,1fr);gap:var(--sp-4);}
  .design-style-blockchain_application_development_showcase_platform_r7g .card.offset{box-shadow:4px 4px 0 0 color-mix(in oklch,var(--primary) 32%,transparent);}
  .design-style-blockchain_application_development_showcase_platform_r7g .card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 0 color-mix(in oklch,var(--accent) 42%,transparent);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-slash .label{display:none;}
}

/* ============ 响应式：超小屏 380 ============ */
@media (max-width:380px){
  .design-style-blockchain_application_development_showcase_platform_r7g{--gutter:12px;--sp-7:32px;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rail,
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-topbar,
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-sec,
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta,
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-foot{padding-inline:var(--sp-3);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero{padding:var(--sp-5) var(--sp-3);}
  .design-style-blockchain_application_development_showcase_platform_r7g .card,
  .design-style-blockchain_application_development_showcase_platform_r7g .scene .body,
  .design-style-blockchain_application_development_showcase_platform_r7g .step{padding:var(--sp-3);}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero h1{font-size:clamp(1.6rem,1.2rem + 4vw,2.1rem);}
  .design-style-blockchain_application_development_showcase_platform_r7g .btn{padding:var(--sp-2) var(--sp-4);width:100%;justify-content:center;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-cta-row{width:100%;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-hero-visual::after{inset:8px -8px -8px 8px;}
  .design-style-blockchain_application_development_showcase_platform_r7g .bcb-rings{display:none;}
}

/* ============ 降级：减少动效 ============ */
@media (prefers-reduced-motion:reduce){
  .design-style-blockchain_application_development_showcase_platform_r7g *,
  .design-style-blockchain_application_development_showcase_platform_r7g *::before,
  .design-style-blockchain_application_development_showcase_platform_r7g *::after{
    animation:none !important;transition:none !important;scroll-behavior:auto !important;
  }
  .design-style-blockchain_application_development_showcase_platform_r7g .reveal{animation:none !important;}
}